Electronic Gaming Systems Having Bonus Events with Persistent Credit Values

The present application claims priority to U.S. Provisional Patent Application No. 63/686,299, filed Aug. 23, 2024, and entitled “ELECTRONIC GAMING SYSTEMS HAVING BONUS EVENTS WITH PERSISTENT CREDIT VALUES” which is hereby incorporated by reference in its entirety.

The field of disclosure relates generally to electronic gaming., and more specifically, to electronic gaming systems, programs, and methods that include presenting bonus events within a bonus game of an electronic game that allows a credit value to be persistent throughout the entirety of the bonus event.

Electronic gaming machines (“EGMs”) or gaming devices provide a variety of wagering games such as slot games, video poker games, video blackjack games, roulette games, video bingo games, keno games and other types of games that are frequently offered at casinos and other locations. Play on EGMs typically involves a player establishing a credit balance by inputting money, or another form of monetary credit, and placing a monetary wager (from the credit balance) on one or more outcomes of an instance (or single play) of a primary or base game. In some cases, a player may qualify for a special mode of the base game, a secondary game, or a bonus round of the base game by attaining a certain winning combination or triggering event in, or related to, the base game, or after the player is randomly awarded the special mode, secondary game, or bonus round. In the special mode, secondary game, or bonus round, the player is given an opportunity to win extra game credits, game tokens or other forms of payout. In the case of “game credits” that are awarded during play, the game credits are typically added to a credit meter total on the EGM and can be provided to the player upon completion of a gaming session or when the player wants to “cash out.”

“Slot” type games are often displayed to the player in the form of various symbols arrayed in a row-by-column grid or matrix. Specific matching combinations of symbols along predetermined paths (or paylines) through the matrix indicate the outcome of the game. The display typically highlights winning combinations/outcomes for identification by the player. Matching combinations and their corresponding awards are usually shown in a “pay-table” which is available to the player for reference. Often, the player may vary his/her wager to include differing numbers of paylines and/or the amount bet on each line. By varying the wager, the player may sometimes alter the frequency or number of winning combinations, frequency or number of secondary games, and/or the amount awarded.

Typical games use a random number generator (RNG) to randomly determine the outcome of each game. The game is designed to return a certain percentage of the amount wagered back to the player over the course of many plays or instances of the game, which is generally referred to as return to player (RTP). The RTP and randomness of the RNG ensure the fairness of the games and are highly regulated. Notably, some games may include an element of skill on the part of the player and are therefore not entirely random.

In one aspect, an electronic gaming system includes at least one memory for storing instructions, and a game controller in communication with the at least one memory. The game controller includes at least one processor, when the instructions are executed by the at least one processor, the at least one processor is configured to: cause to be displayed on a display device a base reel game including a plurality of reels; determine that an outcome of the base reel game triggers a bonus event; and control the display device to display the bonus event including: cause to be displayed on the display device a bonus game in a first instance of the bonus event, the bonus game including a plurality of bonus game reels; control the plurality of bonus game reels of the bonus game to randomly display one bonus game symbol of a plurality of bonus game symbols in each row for each of the plurality of bonus game reels during a first bonus spin of a predetermined number of bonus spins, the bonus game symbols including a cumulative cash-on-reel (COR) symbol depicting a cumulative COR credit value corresponding to a cumulative credit value defined during the base reel game, prior to the triggering of the bonus event; in response to at least one row of at least one of the bonus game reels displaying the cumulative COR symbol of the bonus game symbols, continue to cause to be displayed the cumulative COR symbol in the at least one row of the at least one of the bonus game reels during a subsequent bonus spin of the predetermined number of bonus spins; and cause to redisplay the bonus game on the display device at a second instance of the bonus event, subsequent to the first instance, the redisplayed bonus game persisting to display the cumulative COR symbol as displayed during the first instance of the bonus event.

In another aspect, a method of electronic gaming implemented on an electronic gaming machine includes: causing to be displayed on a display device a base reel game including a plurality of reels; determining that an outcome of the base reel game triggers a bonus event; and controlling the display device to display the bonus event including: causing to be displayed on the display device a bonus game in a first instance of the bonus event, the bonus game including a plurality of bonus game reels; controlling the plurality of bonus game reels of the bonus game to randomly display one bonus game symbol of a plurality of bonus game symbols in each row for each of the plurality of bonus game reels during a first bonus spin of a predetermined number of bonus spins, the bonus game symbols including a cumulative cash-on-reel (COR) symbol depicting a cumulative COR credit value corresponding to a cumulative credit value defined during the base reel game, prior to the triggering of the bonus event; in response to at least one row of at least one of the bonus game reels displaying the cumulative COR symbol of the bonus game symbols, continuing to cause to be displayed the cumulative COR symbol in the at least one row of the at least one of the bonus game reels during a subsequent bonus spin of the predetermined number of bonus spins; and causing to redisplay the bonus game on the display device at a second instance of the bonus event, subsequent to the first instance, the redisplayed bonus game persisting to display the cumulative COR symbol as displayed during the first instance of the bonus event.

In an additional aspect, a non-transitory computer-readable storage medium with instructions stored thereon is provided. The instructions, in response to execution by at least one processor, cause the at least one processor to: cause to be displayed on a display device a base reel game including a plurality of reels; determine that an outcome of the base reel game triggers a bonus event; and control the display device to display the bonus event including: cause to be displayed on the display device a bonus game in a first instance of the bonus event, the bonus game including a plurality of bonus game reels; control the plurality of bonus game reels of the bonus game to randomly display one bonus game symbol of a plurality of bonus game symbols in each row for each of the plurality of bonus game reels during a first bonus spin of a predetermined number of bonus spins, the bonus game symbols including a cumulative cash-on-reel (COR) symbol depicting a cumulative COR credit value corresponding to a cumulative credit value defined during the base reel game, prior to the triggering of the bonus event; in response to at least one row of at least one of the bonus game reels displaying the cumulative COR symbol of the bonus game symbols, continue to cause to be displayed the cumulative COR symbol in the at least one row of the at least one of the bonus game reels during a subsequent bonus spin of the predetermined number of bonus spins; and cause to redisplay the bonus game on the display device at a second instance of the bonus event, subsequent to the first instance, the redisplayed bonus game persisting to display the cumulative COR symbol as displayed during the first instance of the bonus event.

In some known electronic gaming systems, awards and/or outcomes of a primary game may be presented to a player as awards and/or outcomes of a secondary game. For example, an electronic gaming device operating a Class II (e.g., bingo or keno) game may present an outcome of the Class II game as a reel game (e.g., a slot game) simulation. The outcome of the Class II game is determinative of an outcome of the simulated reel game. For example, an award value associated with the Class II game outcome may be presented in the simulated reel game outcome as a symbol combination and/or one or more special symbols that correspond to the same award value. In some known Class II games, the award value of the Class II game outcome may be partitioned or distributed across a base reel game outcome and one or more bonus game outcomes (e.g., outcomes of one or more free reel or wheel spins). For example, an award value associated with one or more winning bingo patterns may be presented as being awarded in a base reel game outcome and one or more bonus game outcomes. While some variations exist for presenting the Class II game outcome across the base reel game outcome and/or the one or more bonus game outcomes exist, the variability and flexibility in presenting these outcomes remain limited. A need exists to address these limitations, while also improving on machine performance, memory storage and the overall functioning of the networked system controlling the gaming devices.

Embodiments of the present disclosure provide systems, program products, and methods for displaying base reel game outcomes that may include a triggering of one or more bonus events, or alternatively in the instances of Class III gaming, displaying bonus events to the player. The bonus events described herein provide players with a fast-paced animation and the displaying of (potentially) multiple awards or credit values. Additionally, interactive bonus games allow the player to interact with the gaming machine to attempt to win additional awards and credit values during the game. Furthermore, each bonus event can include the ability for the player to play both a bonus game, as well as be presented bonus game features—each awarding additional credit values. Additionally with respect to the bonus game, credit values revealed on bonus game reels during the bonus event can be persistent and/or continuously displayed during subsequent instances of the bonus game. The bonus games and bonus features, along with the persistence of the credit values that potentially carry over through multiple bonus games during the bonus event, provide an improved electronic game by increasing the variability and flexibility in presenting winning outcomes of the bonus game (e.g., winning symbol combinations and/or special symbols) to the player while maintaining a level or reducing the level of memory and/or computational resources needed to provide these enhancements.

The persistency of a credit value through the bonus event may include, for example, continuously displaying a revealed cash-on-reel credit value within the bonus game. Specifically, during the bonus event, the bonus game can be presented to the player multiple times to increase the chances of winning and/or credit value awards associated with the bonus event. Where a credit value is displayed in the bonus game during a first bonus game being played during the bonus event, that credit value remains presented to the user during the remainder of the first bonus game, as well as during any subsequent bonus games (e.g., second bonus game, third bonus game, etc.) is presented to the player during the same bonus event. The persistent credit values that remain displayed during distinct instances of the bonus game potentially increase the credit values a player can win, while also increasing the variability of the game including the bonus event. This persistence in the credit values during the bonus event in turn can also improve control and assurance of RTP during the gameplay. Additionally, and to improve technical issues commonly experienced during game plays, persistence in the credit values over multiple displays of the bonus game during bonus events can also reduce the amount of memory required by the gameplay and/or reduce the computational resources needed to operate the game.

The example systems, program products, and methods of the present disclosure represent a technical improvement in the field of electronic gaming. Technical improvements represented by the present disclosure include: (i) presenting Class II and Class III game outcomes as one or more outcomes of a bonus game and/or bonus features during a single bonus event; (ii) provide credit values to persist and/or be continuously displayed and in turn awarded during a single bonus event; (iii) utilizing unique bonus game features to provide additional gameplay features/winning opportunities during the bonus event; (iv) increasing the flexibility and variability in presenting award values of a game outcome as one or more bonus game outcomes; (v) providing players the opportunity to actively participate during the bonus games; (vi) displaying immediate bonus game feedback to a player; (vii) displaying potential reward opportunities to the player for a bonus game in advance of triggering the bonus game; (viii) maintaining/reducing the amount of memory needed to carry out the improved variability of the gameplay as a result of persistent credit values; (ix) reducing the computational resources needed as a result of the persistent credit values that remain displayed throughout the bonus event and/or during distinct instances of the bonus game; and/or (x) improved control and assurance of RTP by enabling control of the credit awards through the persistent credit values in the bonus events. Additional and/or alternative technical improvements may exist.

1 FIG. 100 102 104 104 104 104 104 104 illustrates several different models of EGMs which may be networked to various gaming related servers. Shown is a systemin a gaming environment including one or more server computers(e.g., slot servers of a casino) that are in communication, via a communications network, with one or more gaming devicesA-X (EGMs, slots, video poker, bingo machines, etc.) that can implement one or more aspects of the present disclosure. The gaming devicesA-X may alternatively be portable and/or remote gaming devices such as, but not limited to, a smart phone, a tablet, a laptop, or a game console. Gaming devicesA-X utilize specialized software and/or hardware to form non-generic, particular machines or apparatuses that comply with regulatory requirements regarding devices used for wagering or games of chance that provide monetary awards.

104 104 102 104 104 104 104 102 104 104 102 Communication between the gaming devicesA-X and the server computers, and among the gaming devicesA-X, may be direct or indirect using one or more communication protocols. As an example, gaming devicesA-X and the server computerscan communicate over one or more communication networks, such as over the Internet through a website maintained by a computer on a remote server or over an online data network including commercial online service providers, Internet service providers, private networks (e.g., local area networks and enterprise networks), and the like (e.g., wide area networks). The communication networks could allow gaming devicesA-X to communicate with one another and/or the server computersusing a variety of communication-based technologies, such as radio frequency (RF) (e.g., wireless fidelity (WiFi®) and Bluetooth®), cable TV, satellite links and the like.

102 104 104 104 104 102 In some implementation, server computersmay not be necessary and/or preferred. For example, in one or more implementations, a stand-alone gaming device such as gaming deviceA, gaming deviceB or any of the other gaming devicesC-X can implement one or more aspects of the present disclosure. However, it is typical to find multiple EGMs connected to networks implemented with one or more of the different server computersdescribed herein.

102 106 108 110 112 114 104 104 106 104 104 The server computersmay include a central determination gaming system server, a ticket-in-ticket-out (TITO) system server, a player tracking system server, a progressive system server, and/or a casino management system server. Gaming devicesA-X may include features to enable operation of any or all servers for use by the player and/or operator (e.g., the casino, resort, gaming establishment, tavern, pub, etc.). For example, game outcomes may be generated on a central determination gaming system serverand then transmitted over the network to any of a group of remote terminals or remote gaming devicesA-X that utilize the game outcomes and display the results to the players.

104 104 104 120 122 124 126 Gaming deviceA is often of a cabinet construction which may be aligned in rows or banks of similar devices for placement and operation on a casino floor. The gaming deviceA often includes a main door which provides access to the interior of the cabinet. Gaming deviceA typically includes a button area or button deckaccessible by a player that is configured with input switches or buttons, an access channel for a bill validator, and/or an access channel for a ticket-out printer.

1 FIG. 104 104 118 130 130 118 In, gaming deviceA is shown as a Relm XL™ model gaming device manufactured by Aristocrat® Technologies, Inc. As shown, gaming deviceA is a reel machine having a gaming display areacomprising a number (typically 3 or 5) of mechanical reelswith various symbols displayed on them. The mechanical reelsare independently spun and stopped to show a set of symbols within the gaming display areawhich may be used to determine an outcome to the game.

104 128 118 128 In many configurations, the gaming deviceA may have a main display(e.g., video display monitor) mounted to, or above, the gaming display area. The main displaycan be a high-resolution liquid crystal display (LCD), plasma, light emitting diode (LED), or organic light emitting diode (OLED) panel which may be flat or curved as shown, a cathode ray tube, or other conventional electronically controlled video monitor.

124 104 104 126 126 104 104 104 In some implementations, the bill validatormay also function as a “ticket-in” reader that allows the player to use a casino issued credit ticket to load credits onto the gaming deviceA (e.g., in a cashless ticket (“TITO”) system). In such cashless implementations, the gaming deviceA may also include a “ticket-out” printerfor outputting a credit ticket when a “cash out” button is pressed. Cashless TITO systems are used to generate and track unique bar-codes or other indicators printed on tickets to allow players to avoid the use of bills and coins by loading credits using a ticket reader and cashing out credits using a ticket-out printeron the gaming deviceA. The gaming deviceA can have hardware meters for purposes including ensuring regulatory compliance and monitoring the player credit balance. In addition, there can be additional meters that record the total amount of money wagered on the gaming device, total amount of money deposited, total amount of money withdrawn, total amount of winnings on gaming deviceA.

144 146 148 104 104 110 In some implementations, a player tracking card reader, a transceiver for wireless communication with a mobile device (e.g., a player's smartphone), a keypad, and/or an illuminated displayfor reading, receiving, entering, and/or displaying player tracking information is provided in gaming deviceA. In such implementations, a game controller within the gaming deviceA can communicate with the player tracking system serverto send and receive player tracking information.

104 134 134 136 134 Gaming deviceA may also include a bonus topper wheel. When bonus play is triggered (e.g., by a player achieving a particular outcome or set of outcomes in the primary game), bonus topper wheelis operative to spin and stop with indicator arrowindicating the outcome of the bonus game. Bonus topper wheelis typically used to play a bonus game, but it could also be incorporated into play of the base or primary game.

138 104 122 104 138 A candlemay be mounted on the top of gaming deviceA and may be activated by a player (e.g., using a switch or one of buttons) to indicate to operations staff that gaming deviceA has experienced a malfunction or the player requires service. The candleis also often used to indicate a jackpot has been won and to alert staff that a hand payout of an award may be needed.

152 152 There may also be one or more information panelswhich may be a back-lit, silkscreened glass panel with lettering to indicate general game information including, for example, a game denomination (e.g., $0.25 or $1), pay lines, pay tables, and/or various game related graphics. In some implementations, the information panel(s)may be implemented as an additional video display.

104 132 116 Gaming devicesA have traditionally also included a handletypically mounted to the side of main cabinetwhich may be used to initiate game play.

116 104 2 FIG.A Many or all the above-described components can be controlled by circuitry (e.g., a game controller) housed inside the main cabinetof the gaming deviceA, the details of which are shown in.

104 104 104 104 128 140 140 104 1 FIG. An alternative example gaming deviceB illustrated inis the Arc™ model gaming device manufactured by Aristocrat® Technologies, Inc. Note that where possible, reference numerals identifying similar features of the gaming deviceA implementation are also identified in the gaming deviceB implementation using the same reference numbers. Gaming deviceB does not include physical reels and instead shows game play functions on main display. An optional topper screenmay be used as a secondary game display for bonus play, to show game features or attraction activities while a game is not in play, or any other information or media desired by the game designer or operator. In some implementations, the optional topper screenmay also or alternatively be used to display progressive jackpot prizes available to a player during play of gaming deviceB.

104 116 104 126 124 Example gaming deviceB includes a main cabinetincluding a main door which opens to provide access to the interior of the gaming deviceB. The main or service door is typically used by service personnel to refill the ticket-out printerand collect bills and tickets inserted into the bill validator. The main or service door may also be accessed to reset the machine, verify and/or upgrade the software, and for general maintenance operations.

104 104 128 128 128 128 128 104 142 Another example gaming deviceC shown is the Helix™ model gaming device manufactured by Aristocrat® Technologies, Inc. Gaming deviceC includes a main displayA that is in a landscape orientation. Although not illustrated by the front view provided, the main displayA may have a curvature radius from top to bottom, or alternatively from side to side. In some implementations, main displayA is a flat panel display. Main displayA is typically used for primary game play while secondary displayB is typically used for bonus game play, to show game features or attraction activities while the game is not in play or any other information or media desired by the game designer or operator. In some implementations, example gaming deviceC may also include speakersto output various audio such as game sound, background music, etc.

104 104 2 3 Many different types of games, including mechanical slot games, video slot games, video poker, video blackjack, video pachinko, keno, bingo, and lottery, may be provided with or implemented within the depicted gaming devicesA-C and other similar gaming devices. Each gaming device may also be operable to provide many different games. Games may be differentiated according to themes, sounds, graphics, type of game (e.g., slot game vs. card game vs. game with aspects of skill), denomination, number of paylines, maximum jackpot, progressive or non-progressive, bonus games, and may be deployed for operation in Classor Class, etc.

2 FIG.A 1 FIG. 2 FIG.A 2 FIG.A 200 200 104 200 216 218 218 216 200 220 222 224 232 232 226 228 230 222 108 200 234 236 238 218 240 242 202 is a block diagram depicting exemplary internal electronic components of a gaming deviceconnected to various external systems. All or parts of the gaming deviceshown could be used to implement any one of the example gaming devicesA-X depicted in. As shown in, gaming deviceincludes a topper displayor another form of a top box (e.g., a topper wheel, a topper screen, etc.) that sits above cabinet. Cabinetor topper displaymay also house a number of other components which may be used to add features to a game being played on gaming device, including speakers, a ticket printerwhich prints bar-coded tickets or other media or mechanisms for storing or indicating a player's credit value, a ticket readerwhich reads bar-coded tickets or other media or mechanisms for storing or indicating a player's credit value, and a player tracking interface. Player tracking interfacemay include a keypadfor entering information, a player tracking displayfor displaying information (e.g., an illuminated or video display), a card readerfor receiving data and/or communicating information to and from media or a device such as a smart phone enabling player tracking.also depicts utilizing a ticket printerto print tickets for a TITO system server. Gaming devicemay further include a bill validator, player-input buttonsfor player input, cabinet security sensorsto detect unauthorized opening of the cabinet, a primary game display, and a secondary game display, each coupled to and operable under the control of game controller.

200 202 204 204 204 204 204 202 204 202 204 2 FIG.A The games available for play on the gaming deviceare controlled by a game controllerthat includes one or more processors. Processorrepresents a general-purpose processor, a specialized processor intended to perform certain functional tasks, or a combination thereof. As an example, processorcan be a central processing unit (CPU) that has one or more multi-core processing units and memory mediums (e.g., cache memory) that function as buffers and/or temporary storage for data. Alternatively, processorcan be a specialized processor, such as an application specific integrated circuit (ASIC), graphics processing unit (GPU), field-programmable gate array (FPGA), digital signal processor (DSP), or another type of hardware accelerator. In another example, processoris a system on chip (SoC) that combines and integrates one or more general-purpose processors and/or one or more specialized processors. Althoughillustrates that game controllerincludes a single processor, game controlleris not limited to this representation and instead can include multiple processors(e.g., two or more processors).

2 FIG.A 2 FIG.A 204 208 208 208 202 208 202 208 illustrates that processoris operatively coupled to memory. Memoryis defined herein as including volatile and nonvolatile memory and other types of non-transitory data storage components. Volatile memory is memory that do not retain data values upon loss of power. Nonvolatile memory is memory that do retain data upon a loss of power. Examples of memoryinclude random access memory (RAM), read-only memory (ROM), hard disk drives, solid-state drives, universal serial bus (USB) flash drives, memory cards accessed via a memory card reader, floppy disks accessed via an associated floppy disk drive, optical discs accessed via an optical disc drive, magnetic tapes accessed via an appropriate tape drive, and/or other memory components, or a combination of any two or more of these memory components. In addition, examples of RAM include static random-access memory (SRAM), dynamic random access memory (DRAM), magnetic random access memory (MRAM), and other such devices. Examples of ROM include a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or other like memory device. Even thoughillustrates that game controllerincludes a single memory, game controllercould include multiple memoriesfor storing program instructions and/or data.

208 206 206 208 206 204 208 204 208 204 208 204 Memorycan store one or more game programsthat provide program instructions and/or data for carrying out various implementations (e.g., game mechanics) described herein. Stated another way, game programrepresents an executable program stored in any portion or component of memory. In one or more implementations, game programis embodied in the form of source code that includes human-readable statements written in a programming language or machine code that contains numerical instructions recognizable by a suitable execution system, such as a processorin a game controller or other system. Examples of executable programs include: (1) a compiled program that can be translated into machine code in a format that can be loaded into a random access portion of memoryand run by processor; (2) source code that may be expressed in proper format such as object code that is capable of being loaded into a random access portion of memoryand executed by processor; and (3) source code that may be interpreted by another executable program to generate instructions in a random access portion of memoryto be executed by processor.

206 200 106 200 200 214 200 200 206 200 200 208 106 208 2 FIG.A 1 FIG. Alternatively, game programscan be set up to generate one or more game instances based on instructions and/or data that gaming deviceexchanges with one or more remote gaming devices, such as a central determination gaming system server(not shown inbut shown in). For purpose of this disclosure, the term “game instance” refers to a play or a round of a game that gaming devicepresents (e.g., via a user interface (UI)) to a player. The game instance is communicated to gaming devicevia the networkand then displayed on gaming device. For example, gaming devicemay execute game programas video streaming software that allows the game to be displayed on gaming device. When a game is stored on gaming device, it may be loaded from memory(e.g., from a read only memory (ROM)) or from the central determination gaming system serverto memory.

200 200 200 200 200 200 Gaming devices, such as gaming device, are highly regulated to ensure fairness and, in many cases, gaming deviceis operable to award monetary awards (e.g., typically dispensed in the form of a redeemable voucher). Therefore, to satisfy security and regulatory requirements in a gaming environment, hardware and software architectures are implemented in gaming devicesthat differ significantly from those of general-purpose computers. Adapting general purpose computers to function as gaming devicesis not simple or straightforward because of: (1) the regulatory requirements for gaming devices, (2) the harsh environment in which gaming devicesoperate, (3) security requirements, (4) fault tolerance requirements, and (5) the requirement for additional special purpose componentry enabling functionality of an EGM. These differences require substantial engineering effort with respect to game design implementation, game mechanics, hardware components, and software.

200 200 200 200 212 206 212 200 212 212 200 212 202 212 2 FIG.A One regulatory requirement for games running on gaming devicegenerally involves complying with a certain level of randomness. Typically, gaming jurisdictions mandate that gaming devicessatisfy a minimum level of randomness without specifying how a gaming deviceshould achieve this level of randomness. To comply,illustrates that gaming devicecould include an RNGthat utilizes hardware and/or software to generate RNG outcomes that lack any pattern. The RNG operations are often specialized and non-generic in order to comply with regulatory and gaming requirements. For example, in a slot game, game programcan initiate multiple RNG calls to RNGto generate RNG outcomes, where each RNG call and RNG outcome corresponds to an outcome for a reel. In another example, gaming devicecan be a Class II gaming device where RNGgenerates RNG outcomes for creating Bingo cards. In one or more implementations, RNGcould be one of a set of RNGs operating on gaming device. More generally, an output of the RNGcan be the basis on which game outcomes are determined by the game controller. Game developers could vary the degree of true randomness for each RNG (e.g., pseudorandom) and utilize specific RNGs depending on game requirements. The output of the RNGcan include a random number or pseudorandom number (either is generally referred to as a “random number”).

2 FIG.A 212 244 212 244 200 212 200 244 212 244 244 200 200 244 212 212 244 In, RNGand hardware RNGare shown in dashed lines to illustrate that RNG, hardware RNG, or both can be included in gaming device. In one implementation, instead of including RNG, gaming devicecould include a hardware RNGthat generates RNG outcomes. Analogous to RNG, hardware RNGperforms specialized and non-generic operations in order to comply with regulatory and gaming requirements. For example, because of regulation requirements, hardware RNGcould be a random number generator that securely produces random numbers for cryptography use. The gaming devicethen uses the secure random numbers to generate game outcomes for one or more game features. In another implementation, the gaming devicecould include both hardware RNGand RNG. RNGmay utilize the RNG outcomes from hardware RNGas one of many sources of entropy for generating secure random numbers for the game features.

200 200 Another regulatory requirement for running games on gaming deviceincludes ensuring a certain level of RTP. Similar to the randomness requirement discussed above, numerous gaming jurisdictions also mandate that gaming deviceprovides a minimum level of RTP (e.g., RTP of at least 75%). A game can use one or more lookup tables (also called weighted tables) as part of a technical solution that satisfies regulatory requirements for randomness and RTP. In particular, a lookup table can integrate game features (e.g., trigger events for special modes or bonus games; newly introduced game elements such as extra reels, new symbols, or new cards; stop positions for dynamic game elements such as spinning reels, spinning wheels, or shifting reels; or card selections from a deck) with random numbers generated by one or more RNGs, so as to achieve a given level of volatility for a target level of RTP. (In general, volatility refers to the frequency or probability of an event such as a special mode, payout, etc. For example, for a target level of RTP, a higher-volatility game may have a lower payout most of the time with an occasional bonus having a very high payout, while a lower-volatility game has a steadier payout with more frequent bonuses of smaller amounts.) Configuring a lookup table can involve engineering decisions with respect to how RNG outcomes are mapped to game outcomes for a given game feature, while still satisfying regulatory requirements for RTP. Configuring a lookup table can also involve engineering decisions about whether different game features are combined in a given entry of the lookup table or split between different entries (for the respective game features), while still satisfying regulatory requirements for RTP and allowing for varying levels of game volatility.

2 FIG.A 200 210 212 210 200 210 illustrates that gaming deviceincludes an RNG conversion enginethat translates the RNG outcome from RNGto a game outcome presented to a player. To meet a designated RTP, a game developer can set up the RNG conversion engineto utilize one or more lookup tables to translate the RNG outcome to a symbol element, stop position on a reel strip layout, and/or randomly chosen aspect of a game feature. As an example, the lookup tables can regulate a prize payout amount for each RNG outcome and how often the gaming devicepays out the prize payout amounts. The RNG conversion enginecould utilize one lookup table to map the RNG outcome to a game outcome displayed to a player and a second lookup table as a pay table for determining the prize payout amount for each game outcome. The mapping between the RNG outcome to the game outcome controls the frequency in hitting certain prize payout amounts.

2 FIG.A 200 214 110 110 110 232 also depicts that gaming deviceis connected over networkto player tracking system server. Player tracking system servermay be, for example, an OASIS® system manufactured by Aristocrat® Technologies, Inc. Player tracking system serveris used to track play (e.g., amount wagered, games played, time of play and/or other quantitative or qualitative measures) for individual players so that an operator may reward players in a loyalty program. The player may use the player tracking interfaceto access his/her account information, activate free play, and/or request various information. Player tracking or loyalty programs seek to reward players for their play and help build brand loyalty to the gaming establishment. The rewards typically correspond to the player's level of patronage (e.g., to the player's playing frequency and/or total amount of game plays at a given casino). Player tracking rewards may be complimentary and/or discounted meals, lodging, entertainment and/or additional play. Player tracking information may be combined with other information that is now readily obtainable by a casino management system.

200 234 230 240 242 When a player wishes to play the gaming device, he/she can insert cash or a ticket voucher through a coin acceptor (not shown) or bill validatorto establish a credit balance on the gaming device. The credit balance is used by the player to place wagers on instances of the game and to receive credit awards based on the outcome of winning instances. The credit balance is decreased by the amount of each wager and increased upon a win. The player can add additional credits to the balance at any time. The player may also optionally insert a loyalty club card into the card reader. During the game, the player views with one or more Uis, the game outcome on one or more of the primary game displaysand secondary game display. Other game and prize information may also be displayed.

236 240 200 For each game instance, a player may make selections, which may affect play of the game. For example, the player may vary the total amount wagered by selecting the amount bet per line and the number of lines played. In many games, the player is asked to initiate or select options during course of game play (such as spinning a wheel to begin a bonus round or select various items during a feature game). The player may make these selections using the player-input buttons, the primary game displaywhich may be a touch screen, or using some other device which enables a player to input information into the gaming device.

200 220 200 152 1 FIG. During certain game events, the gaming devicemay display visual and auditory effects that can be perceived by the player. These effects add to the excitement of a game, which makes a player more likely to enjoy the playing experience. Auditory effects include various sounds that are projected by the speakers. Visual effects include flashing lights, strobing lights or other patterns displayed from lights on the gaming deviceor from lights behind the information panel().

222 When the player is done, he/she cashes out the credit balance (typically by pressing a cash out button to receive a ticket from the ticket printer). The ticket may be “cashed-in” for money or inserted into another machine to establish a credit balance for play.

104 104 200 104 104 200 104 104 200 104 104 200 104 104 200 1 2 FIGS.andA Additionally, or alternatively, gaming devicesA-X andcan include or be coupled to one or more wireless transmitters, receivers, and/or transceivers (not shown in) that communicate (e.g., Bluetooth® or other near-field communication technology) with one or more mobile devices to perform a variety of wireless operations in a casino environment. Examples of wireless operations in a casino environment include detecting the presence of mobile devices, performing credit, points, comps, or other marketing or hard currency transfers, establishing wagering sessions, and/or providing a personalized casino-based experience using a mobile application. In one implementation, to perform these wireless operations, a wireless transmitter or transceiver initiates a secure wireless connection between a gaming deviceA-X andand a mobile device. After establishing a secure wireless connection between the gaming deviceA-X andand the mobile device, the wireless transmitter or transceiver does not send and/or receive application data to and/or from the mobile device. Rather, the mobile device communicates with gaming devicesA-X andusing another wireless connection (e.g., WiFi® or cellular network). In another implementation, a wireless transceiver establishes a secure connection to directly communicate with the mobile device. The mobile device and gaming deviceA-X andsends and receives data utilizing the wireless transceiver instead of utilizing an external network. For example, the mobile device would perform digital wallet transactions by directly communicating with the wireless transceiver. In one or more implementations, a wireless transmitter could broadcast data received by one or more mobile devices without establishing a pairing connection with the mobile devices.

1 2 FIGS.andA 1 2 FIGS.and 2 FIG.A 2 FIG.A 1 2 FIGS.and 104 104 200 104 104 200 200 240 242 202 Althoughillustrate specific implementations of a gaming device (e.g., gaming devicesA-X and), the disclosure is not limited to those implementations shown in. For example, not all gaming devices suitable for implementing implementations of the present disclosure necessarily include top wheels, top boxes, information panels, cashless ticket systems, and/or player tracking systems. Further, some suitable gaming devices have only a single game display that includes only a mechanical set of reels and/or a video display, while others are designed for bar counters or tabletops and have displays that face upwards. Gaming devicesA-X andmay also include other processors that are not separately shown. Usingas an example, gaming devicecould include display controllers (not shown in) configured to receive video input signals or instructions to display images on game displaysand. Alternatively, such display controllers may be integrated into the game controller. The use and discussion ofare examples to facilitate ease of description and explanation.

2 FIG.B 2 FIG.A 251 252 104 252 104 254 251 256 256 256 251 102 258 depicts a casino gaming environment according to one example. In this example, the casinoincludes banksof EGMs. In this example, each bankof EGMsincludes a corresponding gaming signage system(also shown in). According to this implementation, the casinoalso includes mobile gaming devices, which are also configured to present wagering games in this example. The mobile gaming devicesmay, for example, include tablet devices, cellular phones, smart phones and/or other handheld devices. In this example, the mobile gaming devicesare configured for communication with one or more other devices in the casino, including but not limited to one or more of the server computers, via wireless access points.

256 256 106 104 According to some examples, the mobile gaming devicesmay be configured for stand-alone determination of game outcomes. However, in some alternative implementations the mobile gaming devicesmay be configured to receive game outcomes from another device, such as the central determination gaming system server, one of the EGMs, etc.

256 256 256 256 Some mobile gaming devicesmay be configured to accept monetary credits from a credit or debit card, via a wireless interface (e.g., via a wireless payment app), via tickets, via a patron casino account, etc. However, some mobile gaming devicesmay not be configured to accept monetary credits via a credit or debit card. Some mobile gaming devicesmay include a ticket reader and/or a ticket printer whereas some mobile gaming devicesmay not, depending on the particular implementation.

251 260 256 260 256 260 262 262 260 256 262 262 256 256 260 260 262 In some implementations, the casinomay include one or more kiosksthat are configured to facilitate monetary transactions involving the mobile gaming devices, which may include cash out and/or cash in transactions. The kiosksmay be configured for wired and/or wireless communication with the mobile gaming devices. The kiosksmay be configured to accept monetary credits from casino patronsand/or to dispense monetary credits to casino patronsvia cash, a credit or debit card, via a wireless interface (e.g., via a wireless payment app), via tickets, etc. According to some examples, the kiosksmay be configured to accept monetary credits from a casino patron and to provide a corresponding number of monetary credits to a mobile gaming devicefor wagering purposes, e.g., via a wireless link such as a near-field communications link. In some such examples, when a casino patronis ready to cash out, the casino patronmay select a cash out option provided by a mobile gaming device, which may include a real button or a virtual button (e.g., a button provided via a graphical user interface) in some instances. In some such examples, the mobile gaming devicemay send a “cash out” signal to a kioskvia a wireless link in response to receiving a “cash out” indication from a casino patron. The kioskmay provide monetary credits to the casino patroncorresponding to the “cash out” signal, which may be in the form of cash, a credit ticket, a credit transmitted to a financial account corresponding to the casino patron, etc.

108 108 256 260 In some implementations, a cash-in process and/or a cash-out process may be facilitated by the TITO system server. For example, the TITO system servermay control, or at least authorize, ticket-in and ticket-out transactions that involve a mobile gaming deviceand/or a kiosk.

256 256 110 256 Some mobile gaming devicesmay be configured for receiving and/or transmitting player loyalty information. For example, some mobile gaming devicesmay be configured for wireless communication with the player tracking system server. Some mobile gaming devicesmay be configured for receiving and/or transmitting player loyalty information via wireless communication with a patron's player loyalty card, a patron's smartphone, etc.

256 256 256 256 According to some implementations, a mobile gaming devicemay be configured to provide safeguards that prevent the mobile gaming devicefrom being used by an unauthorized person. For example, some mobile gaming devicesmay include one or more biometric sensors and may be configured to receive input via the biometric sensor(s) to verify the identity of an authorized patron. Some mobile gaming devicesmay be configured to function only within a predetermined or configurable area, such as a casino gaming area.

2 FIG.C 2 FIG.C 2 FIG.C 264 264 264 417 417 264 264 264 264 264 266 a b c a b a b c is a diagram that shows examples of components of a system for providing online gaming according to some aspects of the present disclosure. As with other figures presented in this disclosure, the numbers, types and arrangements of gaming devices shown inare merely shown by way of example. In this example, various gaming devices, including but not limited to end user devices (EUDs),andare capable of communication via one or more networks. The networksmay, for example, include one or more cellular telephone networks, the Internet, etc. In this example, the EUDsandare mobile devices: according to this example the EUDis a tablet device and the EUDis a smart phone. In this implementation, the EUDis a laptop computer that is located within a residenceat the time depicted in. Accordingly, in this example the hardware of EUDs is not specifically configured for online gaming, although each EUD is configured with software for online gaming. For example, each EUD may be configured with a web browser. Other implementations may include other types of EUD, some of which may be specifically configured for online gaming.

276 417 276 417 272 278 280 276 282 284 286 284 282 284 417 284 284 276 276 a a a a a a a a 2 FIG.C In this example, a gaming data centerincludes various devices that are configured to provide online wagering games via the networks. The gaming data centeris capable of communication with the networksvia the gateway. In this example, switchesand routersare configured to provide network connectivity for devices of the gaming data center, including storage devices, serversand one or more workstations. The serversmay, for example, be configured to provide access to a library of games for online game play. In some examples, code for executing at least some of the games may initially be stored on one or more of the storage devices. The code may be subsequently loaded onto a serverafter selection by a player via an EUD and communication of that selection from the EUD via the networks. The serveronto which code for the selected game has been loaded may provide the game according to selections made by a player and indicated via the player's EUD. In other examples, code for executing at least some of the games may initially be stored on one or more of the servers. Although only one gaming data centeris shown in, some implementations may include multiple gaming data centers.

270 417 270 284 282 286 270 274 274 270 b b b a c In this example, a financial institution data centeris also configured for communication via the networks. Here, the financial institution data centerincludes servers, storage devices, and one or more workstations. According to this example, the financial institution data centeris configured to maintain financial accounts, such as checking accounts, savings accounts, loan accounts, etc. In some implementations one or more of the authorized users-may maintain at least one financial account with the financial institution that is serviced via the financial institution data center.

276 284 284 284 270 284 a a a a According to some implementations, the gaming data centermay be configured to provide online wagering games in which money may be won or lost. According to some such implementations, one or more of the serversmay be configured to monitor player credit balances, which may be expressed in game credits, in currency units, or in any other appropriate manner. In some implementations, the server(s)may be configured to obtain financial credits from and/or provide financial credits to one or more financial institutions, according to a player's “cash in” selections, wagering game results and a player's “cash out” instructions. According to some such implementations, the server(s)may be configured to electronically credit or debit the account of a player that is maintained by a financial institution, e.g., an account that is maintained via the financial institution data center. The server(s)may, in some examples, be configured to maintain an audit record of such transactions.

276 270 276 270 276 270 276 In some alternative implementations, the gaming data centermay be configured to provide online wagering games for which credits may not be exchanged for cash or the equivalent. In some such examples, players may purchase game credits for online game play, but may not “cash out” for monetary credit after a gaming session. Moreover, although the financial institution data centerand the gaming data centerinclude their own servers and storage devices in this example, in some examples the financial institution data centerand/or the gaming data centermay use offsite “cloud-based” servers and/or storage devices. In some alternative examples, the financial institution data centerand/or the gaming data centermay rely entirely on cloud-based servers.

276 264 264 274 274 282 284 282 284 276 a c One or more types of devices in the gaming data center(or elsewhere) may be capable of executing middleware, e.g., for data management and/or device communication. Authentication information, player tracking information, etc., including but not limited to information obtained by EUDsand/or other information regarding authorized users of EUDs(including but not limited to the authorized users-), may be stored on storage devicesand/or servers. Other game-related information and/or software, such as information and/or software relating to leaderboards, players currently playing a game, game themes, game-related promotions, game competitions, etc., also may be stored on storage devicesand/or servers. In some implementations, some such game-related software may be available as “apps” and may be downloadable (e.g., from the gaming data center) by authorized users.

276 264 276 In some examples, authorized users and/or entities (such as representatives of gaming regulatory authorities) may obtain gaming-related information via the gaming data center. One or more other devices (such EUDsor devices of the gaming data center) may act as intermediaries for such data feeds. Such devices may, for example, be capable of applying data filtering algorithms, executing data summary and/or analysis software, etc. In some implementations, data filtering, summary and/or analysis software may be available as “apps” and downloadable by authorized users.

3 FIG. 3 FIG. 1 2 FIGS.and 1 FIG. 300 302 302 314 314 316 320 302 300 104 104 200 300 106 illustrates, in block diagram form, an implementation of a game processing architecturethat implements a game processing pipeline for the play of a game in accordance with various implementations described herein. As shown in, the gaming processing pipeline starts with having a UI systemreceive one or more player inputs for the game instance. Based on the player input(s), the UI systemgenerates and sends one or more RNG calls to a game processing backend system. Game processing backend systemthen processes the RNG calls with RNG engineto generate one or more RNG outcomes. The RNG outcomes are then sent to the RNG conversion engineto generate one or more game outcomes for the UI systemto display to a player. The game processing architecturecan implement the game processing pipeline using a gaming device, such as gaming devicesA-X andshown in, respectively. Alternatively, portions of the gaming processing architecturecan implement the game processing pipeline using a gaming device and one or more remote gaming devices, such as central determination gaming system servershown in.

302 302 304 308 312 304 308 312 306 306 310 310 3 FIG. The UI systemincludes one or more Uis that a player can interact with. The UI systemcould include one or more game play Uis, one or more bonus game play Uis, and one or more multiplayer Uis, where each UI type includes one or more mechanical Uis and/or graphical Uis (GUIs). In other words, game play UI, bonus game play UI, and the multiplayer UImay utilize a variety of UI elements, such as mechanical UI elements (e.g., physical “spin” button or mechanical reels) and/or GUI elements (e.g., virtual reels shown on a video display or a virtual button deck) to receive player inputs and/or present game play to a player. Usingas an example, the different UI elements are shown as game play UI elementsA-N and bonus game play UI elementsA-N.

304 306 306 302 308 310 310 306 306 310 310 306 306 310 310 The game play UIrepresents a UI that a player typically interfaces with for a base game. During a game instance of a base game, the game play UI elementsA-N (e.g., GUI elements depicting one or more virtual reels) are shown and/or made available to a user. In a subsequent game instance, the UI systemcould transition out of the base game to one or more bonus games. The bonus game play UIrepresents a UI that utilizes bonus game play UI elementsA-N for a player to interact with and/or view during a bonus game. In one or more implementations, at least some of the game play UI elementA-N are similar to the bonus game play UI elementsA-N. In other implementations, the game play UI elementA-N can differ from the bonus game play UI elementsA-N.

3 FIG. 3 FIG. 302 312 312 316 312 312 also illustrates that UI systemcould include a multiplayer UIpurposed for game play that differs or is separate from the typical base game. For example, multiplayer UIcould be set up to receive player inputs and/or presents game play information relating to a tournament mode. When a gaming device transitions from a primary game mode that presents the base game to a tournament mode, a single gaming device is linked and synchronized to other gaming devices to generate a tournament outcome. For example, multiple RNG enginescorresponding to each gaming device could be collectively linked to determine a tournament outcome. To enhance a player's gaming experience, tournament mode can modify and synchronize sound, music, reel spin speed, and/or other operations of the gaming devices according to the tournament game play. After tournament game play ends, operators can switch back the gaming device from tournament mode to a primary game mode to present the base game. Althoughdoes not explicitly depict that multiplayer UIincludes UI elements, multiplayer UIcould also include one or more multiplayer UI elements.

302 314 302 316 318 319 319 318 212 244 318 318 212 318 244 319 319 319 319 319 319 2 FIG.A 2 FIG.A 2 FIG.A Based on the player inputs, the UI systemcould generate RNG calls to a game processing backend system. As an example, the UI systemcould use one or more application programming interfaces (APIs) to generate the RNG calls. To process the RNG calls, the RNG enginecould utilize gaming RNGand/or non-gaming RNGsA-N. Gaming RNGcould corresponds to RNGor hardware RNGshown in. As previously discussed with reference to, gaming RNGoften performs specialized and non-generic operations that comply with regulatory and/or game requirements. For example, because of regulation requirements, gaming RNGcould correspond to RNGby being a cryptographic RNG or pseudorandom number generator (PRNG) (e.g., Fortuna PRNG) that securely produces random numbers for one or more game features. To securely generate random numbers, gaming RNGcould collect random data from various sources of entropy, such as from an operating system (OS) and/or a hardware RNG (e.g., hardware RNGshown in). Alternatively, non-gaming RNGsA-N may not be cryptographically secure and/or be computationally less expensive. Non-gaming RNGsA-N can, thus, be used to generate outcomes for non-gaming purposes. As an example, non-gaming RNGsA-N can generate random numbers for generating random messages that appear on the gaming device.

320 316 302 320 210 320 212 320 322 322 320 2 FIG.A The RNG conversion engineprocesses each RNG outcome from RNG engineand converts the RNG outcome to a UI outcome that is feedback to the UI system. With reference to, RNG conversion enginecorresponds to RNG conversion engineused for game play. As previously described, RNG conversion enginetranslates the RNG outcome from the RNGto a game outcome presented to a player. RNG conversion engineutilizes one or more lookup tablesA-N to regulate a prize payout amount for each RNG outcome and how often the gaming device pays out the derived prize payout amounts. In one example, the RNG conversion enginecould utilize one lookup table to map the RNG outcome to a game outcome displayed to a player and a second lookup table as a pay table for determining the prize payout amount for each game outcome. In this example, the mapping between the RNG outcome and the game outcome controls the frequency in hitting certain prize payout amounts. Different lookup tables could be utilized depending on the different game modes, for example, a base game versus a bonus game.

314 302 302 306 306 304 310 310 308 After generating the UI outcome, the game processing backend systemsends the UI outcome to the UI system. Examples of UI outcomes are symbols to display on a video reel or reel stops for a mechanical reel. In one example, if the UI outcome is for a base game, the UI systemupdates one or more game play UI elementsA-N, such as symbols, for the game play UI. In another example, if the UI outcome is for a bonus game, the UI system could update one or more bonus game play UI elementsA-N (e.g., symbols) for the bonus game play UI. In response to updating the appropriate UI, the player may subsequently provide additional player inputs to initiate a subsequent game instance that progresses through the game processing pipeline.

4 FIG. 1 FIG. 2 FIG. 4 FIG. 400 104 104 200 256 400 400 400 400 is an example user interface or screenshot of an example base reel gameplayed on a gaming device (e.g., gaming devicesA-X in, and/or gaming deviceand/or mobile gaming devicein). Specifically,shows a base reel game, in which a base reel game outcome is displayed that corresponds to (e.g., presents, represents, and/or is determined from) an output of the gaming device. The output may be a primary game outcome determined in response to a wager received from a player. In example implementations, the primary game outcome is a Class II (e.g., bingo) game outcome or a Class III or Las-Vegas style game outcome. In various implementations, the base reel gamemay be implemented to present an outcome of any suitable game of chance. Specific details of the type of primary or base reel game outcomes presented using the base reel gameare not central to an understanding of the present disclosure. However, additional detail related to at least one implementation (e.g., an implementation employing the base reel gameto present a primary bingo-based or Class II game outcome) may be obtained with reference to U.S. Published Patent Application No. 2012/0270638, filed Apr. 20, 2011, and entitled GAMING MACHINE WITH FREE PLAY BONUS MODE PRESENTING ONLY WINNING OUTCOMES, the disclosure of which is hereby incorporated by reference herein in its entirety.

400 104 104 200 400 234 224 400 402 404 406 408 410 414 412 402 410 202 240 402 410 400 400 412 400 412 The base reel gamemay be initiated on a gaming deviceA-X and. Specifically, a player may fund the base reel gamevia bill validatorand/or ticket reader. Once funded, the base reel game, which includes a first plurality of reels,,,, and/or, each including a plurality of game symbols, may appear on a display. The first plurality of reels-may be physical reels and/or virtual reels. As used herein, physical reels are mechanical in nature and may be physically rotated during gameplay. In contrast, virtual reels are rendered or visually created by game controlleron a display, such as primary game display, and are merely animated to give the appearance of being spun. The first plurality of reels-of the example base reel gameinclude five reels. In other examples, the number of reels may range from one reel to five or more reels in number. The base reel gamemay be played on display. However, in other implementations, the base reel gamemay be played on several displays including displayand an additional or auxiliary displays.

400 412 400 400 412 412 104 104 120 4 FIG. 4 FIG. The base reel gamemay be played on several displays, such as the primary displayand a secondary display. However, in other implementations, the base reel gamemay be played on a single display and/or on greater than two displays. In the example shown in, the base reel gameincludes a first reel matrix on the primary display. The first reel matrix includes a plurality of symbol positions arranged in a plurality of rows and a plurality of columns. The first reel matrix may also therefore be referred to as a “matrix of symbol positions.” While, in the example shown in, the first reel matrix is displayed on the primary display, the first reel matrix may appear in other locations on an EGMA-X and/or on other displays, such as, for example, the secondary display, a display of button deck, and the like.

400 414 402 410 402 410 402 410 414 414 402 410 402 410 402 410 400 402 410 204 402 410 402 410 414 402 410 414 402 410 400 414 402 410 204 402 410 414 402 410 As described herein, during play of the base reel game, game symbolsmay be selected (e.g., such as from the plurality of reels-) and displayed in the game symbol positions of each column and row of the plurality of reels-. Although not central to an understanding of the present disclosure, each of the plurality of reels-may include a plurality of game symbolsarranged in a vertical column. A number of game symbolsof each reel-, corresponding to the number of rows of the plurality of reels-, is displayed in a column of game symbol positions within the plurality of reels-during play of the base reel game. To display symbols from a reel within the plurality of reels-, processormay simulate rotation or spinning of one or more of the plurality of reels-within a respective column of the plurality of reels-. Here again, however, mechanical reels having physical reel strips may be used as well. When a respective reel is simulated to halt or stop within an associated column, one or more game symbolsmay be displayed from the reel-in the game symbol positions of the column. The game symbolsdisplayed after spinning and stopping each reel strip in a respective column of the plurality of reels-may be referred to herein as a “reel outcome” or a “base reel game outcome” or a “base game outcome.” More broadly, an “outcome” of a reel game, such as a base reel game (e.g., the base reel game) refers to the game symbolsdisplayed in the plurality of reels-after reel strips are spun and stopped. Thus, a rotation and stopping of a plurality of reel strips (also referred to herein as a “spin and stop sequence”) may be simulated by processorwithin the columns of the plurality of reels-to cause a reel outcome, including a plurality of game symbols, to be displayed from the plurality of reel strips within the columns of the plurality of reels-.

4 FIG. 414 402 410 414 400 414 416 402 410 416 400 As shown in the exemplary embodiment of, and as discussed herein, the plurality of game symbolsincluded and/or displayed within the plurality of reels-include and/or are formed from various symbol types. For example, graphic game symbols of the plurality of game symbolsinclude predetermined graphics, symbols, and/or art works that can be based on a theme, story, and/or visual representation of base reel game. Additionally, or alternatively, graphic game symbols include suitable graphics, symbols, and/or artworks commonly associated with gaming device (e.g., “BAR,” “SPIN,” “WILD,” etc.). The plurality of game symbolsalso include cash-on-reel (COR) symboldisplayed within the plurality of reels-. COR symbolsinclude, display, depict, and/or are associated with a predetermined credit value (e.g., COR credit value) that can provide additional award credits to the player during base reel gameand/or define credit values for the bonus event, as discussed herein.

400 418 420 412 418 400 420 422 400 422 Base reel gamealso includes a wager meter, and a credit meterdepicted on display. Wager meterrepresents and/or displays the credit and/or monetary value being wagered during each play of base reel game, as determined by the player. Credit meterdisplays a credit balance (calculated as a sum total of credits input and awards accrued minus wagers placed) accrued until a player cashes out. A win meteris also displayed in base reel game. As discussed herein, win meterdisplays a credit and/or monetary value awarded during outcomes of the bonus event.

424 424 400 424 424 412 400 424 426 400 426 424 426 426 424 424 400 424 4 FIG. 4 FIG. A bonus event indicator or meter(hereafter, “bonus event indicator”) is also displayed in base reel game. Bonus event indicatorprovides a visual representation and/or illustration indicating how close a player is to triggering the bonus event. More specifically, bonus event indicatorincludes a visual graphic displayed on displayto dynamically indicate and/or represent to a player of base reel gamewhether or not they are likely to trigger the bonus event. In exemplary embodiments shown in, bonus event indicatorincludes a movable and/or animated needleand the word “BONUS.” As more triggering events occur during base reel game, as discussed herein, needleof bonus event indicatormoves from left to right to represent that a player is getting closer to triggering the bonus event. Additionally, or alternatively, each letter of the word “BONUS” can become illuminated and/or highlighted as needlepasses over them, in order to provide additional representation of the likelihood that the bonus event is going to occur and/or be triggered. In the exemplary embodiment shown, needleis not in a right most position of bonus event indicator, and/or all of the letters of the word “BONUS” are not illuminated (e.g., “S” is partially illuminated). As such, bonus event indicatorof base reel gameshown inindicates to the player that at least one bonus event has not been triggered. Although discussed herein including a needle and/or illuminable words, it is to be understood that bonus event indicatorcan be formed and/or displayed as any suitable visual indicator including, but not limited to, a fillable bar, or a metamorphic animation.

400 400 416 402 410 416 402 410 400 416 424 416 400 426 424 416 400 In operation, the reel outcome presented during play of the base reel game(e.g., base reel game outcome) corresponds to, presents, represents, and/or is determined from a primary game outcome. For example, the reel outcome (base reel game outcome) may correspond to a primary or underlying Class II game, or the reel outcome may be determined randomly (e.g., in Class III games). Additionally, and as discussed herein, base reel game outcomes and/or conditions of base reel gametrigger the bonus event. For example, a base reel game outcoming displaying three (3) or more COR symbolswithin the plurality of reels-can trigger at least one bonus event. Additionally, or alternatively, each time COR symbolsare displayed within the plurality of reels-of base reel game, the credit values associated with each COR symbolcan be added together and progressively adjust the dynamic visual of bonus event indicator. Specifically, each time a COR symbolis displayed in the base reel game outcome for base reel game, needleof bonus event indicatorcan move further right and/or more letters in the word “BONUS” are illuminated. In the exemplary embodiment, the total of the credit values associated and/or displayed with each COR symbolin the outcome(s) of base reel gamecan trigger at least one bonus event in response to the total exceeding a predetermined threshold, as discussed herein.

400 428 430 432 434 412 428 430 432 434 428 434 400 428 434 428 434 400 418 400 In exemplary embodiments, base reel gamealso displays a plurality of “jackpot” bonuses,,,on display. For example, jackpot bonusincludes a “mini” jackpot value, jackpot bonusincludes a “minor” jackpot value, jackpot bonusincludes a “major” jackpot value, and jackpot bonusincludes a “grand” jackpot value. As discussed herein, each jackpot bonus-can correspond to and/or is correlated with at least one bonus event that is triggered by the base reel game outcome of base reel game. Additionally, the credit value associated with each jackpot bonus-may be a predetermined credit value. Alternatively, jackpot bonuses-include progressive credit values that are dependent upon, at least in part, the credit and/or monetary value being wagered during each play of base reel game(e.g., wager meter), the number of consecutive base reel gamesplayed prior to triggering the bonus event, and the like.

4 FIG. 7 7 FIGS.E-M 7 FIG.N 400 436 436 428 434 436 400 418 400 436 As shown in, base reel gamealso includes a bonus event jackpot. As discussed herein, bonus event jackpotis awarded during the bonus event, and more particularly, during a bonus game occurring during the bonus event (see,). Similar to jackpot bonuses-, bonus event jackpotincludes a progressive bonus event credit value that can be dependent upon, at least in part, the credit and/or monetary value being wagered during each play of base reel game(e.g., wager meter), the number of consecutive base reel gamesplayed prior to triggering the bonus event, and the like. Additionally, and as discussed herein, the bonus event credit value for bonus event jackpotalso includes a minimum bonus event credit value (see,) that can be awarded during the bonus event.

5 FIG. 4 FIG. 5 FIG. 500 400 500 500 538 540 500 400 500 400 500 538 540 542 500 400 542 538 540 500 Referring to, an exemplary user interface or screenshot of a bonus eventinitiated after playing base reel game(see,) is displayed. The bonus eventis triggered by the primary game outcome (e.g., base reel game outcome) satisfying a bonus event condition, described in further detail herein. In the example implementation, bonus eventmay include providing players with the opportunity to play and/or engage with at least one bonus game, and/or engage with at least one bonus feature. That is, and as discussed herein, bonus eventtriggered by the outcome of base reel gameprovides players with various game experiences and/or interaction that can vary from one another and/or provide distinct outcomes and/or awards for the player. Additionally, and as discussed herein, more than one bonus eventcan be triggered by the base reel game outcome of base reel game. In the exemplary embodiment shown in, bonus event, and more specifically bonus gameand bonus feature(s), are presented to the player via a graphical trainA and/or using a train-theme. That is, and as discussed herein, at least one bonus eventtriggered by base reel gamemay include a train-theme, where graphical trainA is one of a plurality of graphic trains that facilitates the displaying and/or presentation of at least one bonus game, and/or at least one bonus featureto the player during bonus event.

500 538 540 500 202 204 416 However, it is to be understood that bonus eventis not limited to a train or train-theme, and may be implemented as any other suitable, visually appealing theme that can facilitate the displaying and/or presenting of bonus game(s)and/or bonus feature(s), as similarly discussed herein. Additionally as described herein, bonus eventis triggered in response to the game controller(e.g., via the processor) determining that the primary game outcome satisfies a bonus event condition (e.g., three (3) or more COR symbolsdisplayed in single base reel game outcome, total credit value for COR symbols exceeding a threshold, and/or a total award value of a bingo game outcome).

5 FIG. 5 FIG. 500 418 420 412 500 422 412 422 500 538 428 500 428 500 542 500 428 500 In the exemplary embodiment shown in, bonus eventcontinues to display wager meter, and credit meteron display. Furthermore, bonus eventalso continues to depict win meteron display. As discussed herein, win meterdisplays a credit and/or monetary value awarded during outcomes of bonus event(e.g., outcomes of bonus game(s)). Also shown in, jackpot bonusincluding the “mini” jackpot value continues to be displayed during bonus event. In a non-limiting example, jackpot bonusis displayed during bonus eventas a result of the selected graphical trainA for bonus eventbeing associated with and/or providing the player the opportunity to win jackpot bonusduring bonus event.

500 436 436 400 436 436 538 500 436 500 4 FIG. Bonus eventalso includes and/or depicts bonus event jackpot. With comparison to bonus event jackpotdepicted in base reel game(see,), bonus event jackpotincludes a credit value equal to the minimum bonus event credit value (e.g., $500). As discussed herein, bonus event jackpotis reset to the minimum bonus event credit value after predetermined conditions are meet for bonus game(s)of bonus eventand/or the bonus event credit value for bonus event jackpotis awarded to the player during bonus event.

500 544 544 400 544 500 416 400 500 500 416 400 544 500 416 400 400 416 416 416 500 544 4 FIG. 4 FIG. Additionally in exemplary embodiments, bonus eventdepicts and/or presents a cumulative credit value. Cumulative credit valueis based on and/or defined during the base reel game outcome of base reel game(see,). More specifically, cumulative credit valuedisplayed during bonus eventis based, at least in part, on the cumulative credit values for COR symbolsdisplayed during base reel game, and prior to the triggering of bonus event. For example, where the triggering condition for bonus eventincludes three (3) or more COR symbolsbeing displayed in a single outcome of base reel game, cumulative credit valueof bonus eventis equal to the cumulative or added credit value associated with all COR symbolsdisplayed in the outcome of base reel game. Briefly returning to exemplary embodiments shown in, the outcome of base reel gameincludes five (5) COR symbols, where the cumulative or total credit value for all five COR symbolsequals “18,800” credit values. As such, the base reel game outcome including five (5) COR symbolstriggers bonus eventand the “18,800” is displayed in cumulative credit value.

544 416 400 544 416 402 410 400 18 0 500 400 416 544 538 540 500 544 538 544 500 7 FIG.B In another example, cumulative credit valuerepresents a cumulative credit value for COR symbolsincluded within multiple outcomes for base reel game. That is, cumulative credit valueis the cumulative credit value for COR symbolsthat are displayed during multiple spins of the plurality of reels-during base reel game. In this example, “18,800” is the cumulative COR credit value that exceeds threshold (e.g.,,threshold) to trigger bonus event, and is achieved as a result of the most recent outcome of base reel gameincluding at least one COR symbol, as discussed herein. Cumulative credit valuedefines aspects of bonus game(s)and/or featureof bonus event. For example, and as discussed herein, cumulative credit valuerepresents a credit value of one of the bonus game symbols included within bonus game. Additionally, and as discussed herein, cumulative credit valueis associated with a distinct bonus feature (see,) displayed to the player during bonus event.

6 6 FIGS.A-C 6 FIG.A 6 6 FIGS.B andC 6 FIG.A 6 6 FIGS.B andC 6 FIG.A 400 500 400 402 410 416 416 400 500 416 402 410 400 500 Turning to, user interfaces or screen shots of a sequence between base reel game() and the bonus event() are shown. As shown in, in the displayed base reel game outcome of the base reel game, the plurality of reels-include five (5) COR symbols. As discussed herein, the inclusion of three (3) or move COR symbolswithin a single outcome of base reel gameresults in at least one bonus eventbeing triggered (see,). In another non-limiting example discussed herein, the cumulative credit value for the five (5) COR symbolsdisplayed in the plurality of reels-can exceed the bonus event threshold, and thus the outcome of base reel gamedisplayed incan trigger bonus event.

6 FIG.A 424 500 400 426 424 426 412 500 400 400 500 412 412 500 412 424 Additionally as shown in, bonus event indicatormay represent and/or identify to the player that bonus eventhas been triggered based on the outcome of base reel game. In the exemplary embodiment, needleis positioned and/or oriented all the way to the right within bonus event indicator. Additionally as shown, needleis positioned to the right of the word “BONUS,” and/or each letter of “BONUS” is completely illuminated. In other non-limiting examples, other displayed indications can be provided on displayto notify the player that bonus event(s)have been triggered as a result of the outcome of base reel game. For example, base reel gameand subsequent display of bonus eventmay be provided in conjunction with a change to an overlaid translucent or transparent colored graphic effect around display. For instance, in one implementation, displaymay change to include a color overlay. The color overlay may be displayed for the duration of bonus eventto let a player know they are taking part in bonus events. In other implementations, words, symbols, letters, animations, and/or other visual effects may be displayed on display, and/or auxiliary displays, in addition to and/or alternative to bonus event indicator.

6 6 FIGS.B andC 6 FIG.B 500 412 542 542 542 542 542 402 410 542 542 428 430 432 434 436 412 542 428 542 430 542 432 542 434 542 436 542 542 500 542 542 428 434 436 are user interfaces or screen shots of bonus eventinitiating on display. In the exemplary embodiment shown in, a plurality of graphical trainsA,B,C,D,E are displayed above the plurality of reels-. As discussed herein, each of the plurality of graphical trainsA-E correspond to one of the plurality of jackpot bonuses,,,or bonus event jackpotalso depicted on display. For example, graphical trainA corresponds to jackpot bonus(e.g., mini jackpot), graphical trainB corresponds to jackpot bonus(e.g., minor jackpot), graphical trainC corresponds to jackpot bonus(e.g., major jackpot), graphical trainD corresponds to jackpot bonus(e.g., grand jackpot), and graphical trainE corresponds to bonus event jackpot. As discussed herein, where graphical trainA-E is selected for inclusion and/or use within bonus event, the selected graphical trainA-E can provide the player with the opportunity to win or be awarded the corresponding jackpot bonus-or bonus event jackpot.

500 542 542 542 542 542 542 500 500 412 542 542 542 500 542 500 542 538 540 500 6 FIG.B 6 FIG.C 6 FIG.C 7 7 FIGS.A-R During the initiation of bonus event, at least one graphical trainA-E is selected at random. In an exemplary embodiment, each of the plurality of graphical trainsA-E are illuminated successively and/or randomly until one (or more) graphical trainsA-E are selected for bonus event. Bonus eventshown inillustrates a screen shot of displayduring the selection process where graphical trainD is illuminated. Conversely,depicts the end of the random selection process of graphical trainsA-E for bonus event. In the exemplary embodiment shown in, graphical trainA is selected for bonus event. As discussed herein with respect to, graphical trainA facilitates the displaying and/or presenting of bonus game(s)and/or bonus feature(s)to the player during bonus event.

7 7 FIGS.A-R 7 7 FIGS.A-R 7 FIG.A 6 6 FIGS.B andC 500 412 412 500 542 542 538 540 500 542 500 412 542 500 542 542 412 500 538 540 are user interfaces or screen shots of a sequence of bonus eventdisplayed on displayfor the player. More specifically,depict displayillustrating one exemplary sequence of bonus eventinvolving graphical trainA. As shown in, and subsequent to the random selection of trainA to facilitate the displaying and/or presenting of bonus game(s)and/or bonus feature(s)to the player during bonus event(see,), the front of trainA included in bonus eventis depicted on display. The front of trainA (e.g., engine and coal car) provides a visual indication and/or representation that bonus eventincluding trainA has begun. Additionally in exemplary embodiments, an animation of trainA moving across displayduring bonus eventfacilitate the displaying and/or presenting of bonus game(s)and/or bonus feature(s)to the player, as discussed herein.

7 7 FIGS.B-D 7 FIG.B 7 FIG.C 542 412 540 540 500 540 542 540 544 500 412 540 542 500 540 412 540 546 540 540 540 546 540 540 542 412 540 546 As shown in, trainA moves across display(e.g., left to right) to display and/or present various bonus feature(s)A,B included within bonus event. In the exemplary embodiment shown in, a first bonus featureA is displayed and/or included with trainA. First bonus featureA includes and/or displays a credit value equal to the cumulative credit valuedefined during the base reel game, prior to the triggering of bonus event, and depicted on display. As shown, the credit value (e.g., “18800”) of first bonus featureA is displayed and/or animated as an illustrative boxcar, train car, and/or carriage (hereafter, “carriage”) of trainA moves during bonus event. Turning to, once the carriage of first bonus featureA moves past a predetermined point in display(e.g., halfway point), the credit value corresponding to and/or displayed on first bonus featureA is awarded and/or added to a bonus event credit meter. In an exemplary embodiment, the credit value displayed in first bonus featureA may be “removed” from first bonus featureA and/or animated to move from first bonus featureA to bonus event credit meter. In another non-limiting example, the credit value for first bonus featureA remains displayed on first bonus featureA as trainA moves within display, and the credit value of first bonus featureA is added to bonus event credit meter.

546 500 540 540 538 500 546 500 540 542 540 540 544 540 540 542 500 7 FIG.E 7 7 FIGS.C andD 7 FIG.C Bonus event credit meteris dynamically adjusted as bonus eventcontinues during the game play. That is, as additional bonus feature(s)A,B and/or bonus game(see,) are displayed and/or presented during bonus event, the credit value depicted in bonus event credit metermay be continuously adjusted until bonus eventends. For example, and with reference to, a second bonus featureB is displayed and/or included with trainA (see,). Second bonus featureB includes and/or displays a random credit value. That is, and distinct from the credit value for first bonus featureA corresponding to cumulative credit value, second bonus featureB includes a randomly generated and/or determined credit value to be displayed. As shown, the credit value (e.g., “80”) of second bonus featureB is displayed and/or animated as a carriage of trainA moves during bonus event.

7 FIG.D 7 FIG.D 7 FIG.D 540 540 412 540 546 540 540 540 546 540 540 546 540 540 540 546 Turning to, and similar to first bonus featureA, once the carriage of second bonus featureB moves past a predetermined point in display(e.g., halfway point), the credit value corresponding to and/or displayed on second bonus featureB is awarded and/or added to bonus event credit meter. Similar to first bonus featureA, the credit value displayed on second bonus featureB may be “removed” and/or animated to move from second bonus featureB to bonus event credit meter, or alternatively, the credit value for second bonus featureB remains displayed on the carriage of second bonus featureB. Additionally as shown in, the credit value displayed in bonus event credit meteris adjusted to include the credit value associated with second bonus featureB. For example, the “80” credit value for second bonus featureB is added to the “18800” credit value included in first bonus featureA, such that bonus event credit meteris dynamically adjusted to display a credit value of “18880” in.

540 540 500 542 540 540 500 542 500 540 540 500 540 546 7 FIG.D In exemplary embodiments, a plurality of first bonus featureA and/or second bonus featureB can be displayed and/or presented during bonus event. That is, trainA can include and/or display a plurality of first bonus featureA and/or second bonus featureB over the course of bonus eventbeing presented to the player. For example, and as shown in, trainA of bonus eventincludes a distinct, second bonus featureB having or displaying a random credit value of “2000.” The distinct, second bonus featureB can be subsequently displayed and/or presented during bonus eventafter second bonus featureB including the random credit value of “80” is displayed and added to bonus event credit meter.

500 540 540 412 540 540 542 500 538 538 546 540 540 500 420 422 500 7 FIG.E 7 FIG.O It is to be understood that bonus eventcan include any number and/or any combination of first bonus featuresA and/or second bonus featureB depicted on display. Additionally, first bonus featuresA and/or second bonus featureB included in trainA of bonus eventcan be displayed prior to, and/or subsequent to the first instance of displaying the bonus game(see,), and prior to, and/or subsequent to any subsequent instance of displaying the bonus game(see,). As discussed herein, credit values added to bonus event credit meterby first bonus featureA and/or second bonus featureB during bonus eventcan be added to credit meterand/or win meterat the conclusion of bonus event.

7 7 FIGS.E-M 7 FIG.E 500 538 538 542 412 542 538 412 538 500 538 500 538 412 538 538 500 are exemplary user interfaces or screen shots of a portion of the sequence of bonus eventin which bonus gameis displayed and/or presented to the player. As shown in, bonus gameis displayed and/or animated as a distinct bonus game carriage of trainA that stops on displaywhen being played. That is, trainA including bonus game carriage corresponding to bonus gametemporarily stops moving on displaywhen bonus gameis presented during bonus event. In the exemplary embodiments, the first instance in which bonus gameis presented during bonus eventcan be the first bonus gameis displayed on display. As discussed herein, subsequent instances of displaying (or redisplaying) bonus gamemay occur after the first instance in which bonus gameis displayed during bonus event.

7 FIG.F 538 548 550 552 548 552 538 548 552 548 552 538 412 548 552 548 552 548 552 548 552 548 552 548 552 552 As shown in, bonus gameincludes a plurality of bonus game reels,,. The plurality of reels-of bonus gameform three distinct reels and/or three columns. Each reel-also includes a predetermined number of rows as well. In the example, the number of predetermined number of rows is also three. As a result, in the example embodiment, the plurality of reels-for bonus gameinclude a 3×3×3 arrangement, as depicted on display, and include sixteen (16) bonus game symbol positions. In other implementations, the plurality of reels-may be any size/uniformity (e.g., 2×2, 3×3, 4×4, 10×10, etc.), and a number of game symbol positions for the plurality of reels-may vary depending upon a number of rows and columns of the plurality of reels-. Each row of the plurality of reels-may be designated by a row number (e.g., “1,” “2,” “3,” etc.). Each column of the plurality of reels-may be designated by a column letter (e.g., “A,” “B,” “C,” “D,” “E,” etc.). Each bonus game symbol position of the plurality of reels-may therefore be designated by a symbol position identifier comprising a row number (e.g., “1,” “2,” “3,” etc.) and a column letter (e.g., “A,” “B,” “C,” “D,” “E,” etc.). For example, the upper-left-most bonus game symbol position, occurring at the intersection of row 1 and column A, may be designated by the game symbol position identifier “1A.” In another example, the bottom most game symbol position for reel, occurring at the intersection of row 3 and column C, may be designated by the bonus game symbol position identifier “3C.”

538 548 552 7 548 552 548 552 538 548 552 554 554 548 552 538 554 538 538 500 7 FIG.F During bonus game, each of the plurality of bonus game reels-display a bonus symbol (see,H) in the bonus game symbol position. For example, the plurality of bonus game reels-can randomly “spin” and/or display a bonus symbol in each row and/or bonus game symbol position for each of the plurality of bonus game reels-during bonus game. Prior to “spinning” and/or potentially displaying various bonus symbols, each of the plurality of bonus game reels-can display and/or include a blank symbolof the bonus symbols. In the exemplary embodiment shown in, blank symbolof the bonus symbols can be included and/or displayed within each bonus game symbol position (e.g., rows and columns) for the plurality of reels-for bonus game. Blank symbolof the bonus symbols does not include, display, and/or present any credit value that is awarded to the player during bonus game. As discussed herein, additional bonus symbols (e.g., bonus cash-on-reel (COR) symbol, cumulative COR symbols) include credit values that, when displayed in bonus game, are subsequently awarded to the player during bonus event.

7 FIG.F 538 556 500 548 552 556 538 500 538 556 Additionally as shown in, during bonus game, a spin number indicatormay be displayed and/or presented to the player of bonus event. Prior to “spinning” the plurality of bonus game reels-, spin number indicatorcan display and/or present a predetermined number of bonus spins for bonus gameincluded in bonus event. In the exemplary embodiment, the predetermined number of bonus spins for bonus gameis three (3)—as displayed in spin number indicator.

500 538 548 552 538 554 548 552 538 554 556 538 548 552 554 556 538 7 FIG.G 7 FIG.F As discussed herein, the player of bonus eventinteracts with bonus game, and more specifically, “spins” the plurality of bonus game reels-to display bonus symbols therein. Additionally as discussed herein, the bonus symbols to be displayed in bonus gamecan include blank symbol. Where the player spins and/or causes the plurality of bonus game reels-to display bonus symbols during bonus game, and only blank symbolsare displayed after the spin, spin number indicatoris reduced by one (1). For example,depicts bonus gameafter the player performs a first spin of the predetermined number of bonus spins, and each bonus game reel-continues to display blank symbols. As a result, spin number indicatoradjusts the number of spins for bonus gamefrom “3” (see,), to “2.”

7 FIG.H 7 FIG.H 7 FIG.G 538 500 548 552 538 554 548 552 548 552 558 560 558 540 542 558 558 552 is an exemplary user interface or screen shot of bonus gameafter the player of bonus eventperforms a subsequent spin of the plurality of bonus game reels-. That is,shows bonus gameafter a second bonus spin, following the first bonus spin in which only blank symbolswere displayed in the plurality of bonus game reels-(see,). Subsequent to the second bonus spin, the plurality of bonus game reels-display and/or present bonus symbols including a bonus cash-on-reel (COR) symbol, and a cumulative COR symbol. More specifically, bonus game symbol position “2C” displays COR symbolincluding a bonus COR credit value. Similar to second bonus featureB included in trainA, COR symbolincludes and/or displays a randomly generated and/or determined bonus credit value. As shown, the credit value (e.g., “4000”) of COR symbolis displayed and/or animated within the bonus game symbol position on bonus game reel.

560 560 400 412 544 560 540 542 560 550 7 FIG.H 7 FIG.B Additionally, bonus game symbol position “1B” displays cumulative COR symbol. As shown in, cumulative COR symbolincludes a cumulative COR credit value that corresponds to and/or is equal to the cumulative credit defined during base reel gameand/or presented on displayas cumulative credit value. Furthermore, the cumulative COR credit value for cumulative COR symbolis similar and/or identical to the credit value displayed on the carriage of second bonus featureB included in trainA (see,). As shown, the cumulative credit value (e.g., “18800”) of cumulative COR symbolis displayed and/or animated within the bonus game symbol position on bonus game reel.

7 FIG.H 558 560 546 558 560 546 538 548 552 558 560 As shown in, the respective credit values corresponding to and/or included with COR symboland cumulative COR symbol, respectively, are not instantly added to bonus event credit meter. Rather, the credit value for all bonus symbols including COR symboland/or cumulative COR symbolare added to bonus event credit meterafter all bonus spins have been performed during bonus game, or alternatively after each row for each of the plurality of bonus game reels-include one of COR symbolor cumulative COR symbol.

558 560 548 552 538 556 538 558 560 550 552 538 556 538 558 560 538 538 538 7 FIG.H 7 FIG.G Additionally, each spin in which one of COR symbolor cumulative COR symbollands or is displayed on at least one bonus game reel-of bonus gameresets the spin number indicatorback to the predetermined number of bonus spins for bonus game. In the exemplary embodiment shown in, and with comparison to, as a result of both COR symboland cumulative COR symbolbeing displayed in bonus game reels,of bonus game, spin number indicatoris reset back to three (3) spins (e.g., predetermined number of bonus spins), prior to the player performing the next spin on bonus game. In another non-limiting example, the number of bonus spins are not reset in response to displaying COR symbolor cumulative COR symbolduring bonus game. Rather, the player can spin bonus gamethe predetermined number of bonus spins (e.g., three spins), before the first instance of bonus gameends.

7 FIG.I 7 FIG.I 7 FIG.I 538 500 548 552 548 552 556 558 560 538 558 560 538 548 552 538 558 560 548 552 558 560 558 560 538 538 500 is an exemplary user interface or screen shot of bonus gameafter the player of bonus eventperforms additional spins of the plurality of bonus game reels-. As shown in, two (2) subsequent bonus spins of the plurality of bonus game reels-are performed, as indicated by the one (1) in spin number indicator. As discussed herein, the two subsequent bonus spins do not yield and/or display additional COR symboland/or cumulative COR symbolin bonus game. However, and as shown in, COR symbolin bonus game symbol position “2C” and cumulative COR symbolin bonus game symbol position “1B” remain persistent and/or continue to be displayed within bonus gameduring the subsequent spins of the plurality of bonus game reels-. More specifically, and during the entirety of the first instance of presenting bonus gameto the player, whenever COR symbolor cumulative COR symbolare displayed within the plurality of bonus game reels-, the COR symbol/cumulative COR symbolpersists and/or is continuously displayed during subsequent spins. Additionally, and as discussed herein, COR symbol/cumulative COR symbolpreviously displayed in bonus gamealso persist and/or are displayed during subsequent displaying or redisplaying of bonus gameat a subsequent instance during bonus event.

7 7 FIGS.J andK 7 FIG.J 7 FIG.K 7 FIG.K 538 500 548 552 538 558 560 548 552 538 538 558 560 548 552 538 548 552 558 560 548 552 558 560 538 500 538 500 are exemplary user interfaces or screen shots of bonus gameafter the player of bonus eventperforms further spins of the plurality of bonus game reels-.shows additional spins of bonus game, where additional COR symbolsand cumulative COR symbolsare displayed in the plurality of bonus game reels-during the first instance of bonus game. Furthermore,show another subsequent spin of bonus game, where even more COR symbolsand cumulative COR symbolsare displayed in the plurality of bonus game reels-during the first instance of bonus game. In the exemplary embodiment shown in, each row for each of the plurality of bonus game reels-includes and/or displays COR symbolor cumulative COR symbol. As a result of determining that every single row of each of the plurality of bonus game reels-includes and/or displays COR symbolsor cumulative COR symbols, the first instance of bonus gamefor bonus eventends or concludes. However, it is to be understood that the conclusion of the first instance of bonus gamedoes not conclude bonus event, as discussed herein.

548 552 558 560 436 412 436 436 422 436 436 436 422 436 7 FIG.L 7 FIG.M 7 FIG.K In response to determining that every single row of each of the plurality of bonus game reels-includes and/or displays COR symbolsor cumulative COR symbols, the bonus event credit value associated with and/or displayed in bonus event jackpotis awarded to the player. For example, and with reference to, displayprovides and/or presents an animation indicating to the player that they have been awarded bonus event jackpot. The bonus event credit value associated and/or displayed in bonus event jackpotis instantly provided to win meter, as shown in. Additionally, and as a result of awarding the player bonus event jackpot, the bonus event credit value for bonus event jackpotsubsequent to the award is reset to a minimum bonus event value. For example, after the bonus event credit value of $948.73 (e.g., bonus event jackpot)(see,) is awarded to the player and/or transferred to win meter, the bonus event credit value for bonus event jackpotis reset to the minimum bonus event credit value of $500.

7 FIG.M 558 560 538 546 558 560 538 546 538 Additionally as shown in, each of the credit values associated with COR symboland cumulative COR symbol, as displayed during the first instance of bonus gameis added to bonus event credit meter. As discussed herein, the credit values displayed with each COR symboland/or cumulative COR symbolduring bonus gameare only added to bonus event credit meterwhen bonus gameis complete and/or ended.

538 500 412 500 538 538 538 558 560 538 500 538 540 540 500 540 412 546 7 FIG.N 7 FIG.N Although the first instance of bonus gamehas ended, bonus eventcan continue on display. For example,is an exemplary user interface or screen shot of bonus eventafter the first instance of bonus gamehas ended. As shown, the bonus game carriage of bonus gameis moved to right and/or off-screen, and/or bonus game, including all presented COR symbolsand/or cumulative COR symbols, ceases to be displayed. In the exemplary embodiment, once bonus gameceases to be displayed, additional carriages are displayed and/or presented to the player during bonus event. As similarly discussed herein, and subsequent to ceasing the display of bonus gamefirst bonus featureA and/or second bonus featureB continue to be displayed and/or presented during bonus event. As shown in, a plurality of second bonus featuresB including random credit values are presented on display, and the credit values are subsequently added to bonus event credit meter.

70 7 FIGS.-Q 7 7 FIGS.E-M 7 FIG.O 7 FIG.P 7 FIG.P 538 500 538 500 538 412 538 538 412 538 500 548 552 558 560 538 538 500 558 560 538 558 560 are exemplary user interfaces or screen shots of a second instance in which bonus gameis displayed or redisplayed within bonus event. In the exemplary embodiments, the second instance in which bonus gameis presented during bonus eventcan be the second bonus gamedisplayed on display, after the first instance of displaying bonus game(see,). As shown in, the bonus game carriage displaying bonus gamestops on displaywhen bonus gameis displayed during the second instance of bonus event. When the bonus game carriage “opens,” as shown in, each row of the plurality of bonus game reels-displays and/or presents COR symbolor cumulative COR symbol. More specifically, in the exemplary embodiment shown in, and subsequent to the first instance of bonus game, the displaying or redisplaying of bonus gamefor the second instance during bonus eventpersists in displaying the same COR symboland/or cumulative COR symbolprevious displayed during the first instance of bonus game. As such, the bonus symbols including the COR symboland/or cumulative COR symboldisplayed during the second instance are identical to the bonus symbols displayed during the first instance.

548 552 558 560 538 554 538 412 436 436 422 436 436 436 422 436 558 560 538 546 7 FIG.F 7 FIG.Q 7 FIG.Q 7 FIG.Q Additionally in the exemplary embodiment, and as a result of each and every row of the plurality of bonus game reels-displaying one of COR symbolor cumulative COR symbol, second instance of bonus gameends or concludes. That is, because no bonus game symbol position of the plurality of bonus game reels display a blank symbol(see,), no bonus spins are available to the player. Similar to the first instance of bonus game, displayprovides and/or presents an animation indicating to the player that they have been awarded bonus event jackpotagain. The bonus event credit value associated and/or displayed in bonus event jackpotis instantly provided to win meter, as shown in. Additionally, and as a result of awarding the player bonus event jackpot, the bonus event credit value for bonus event jackpotsubsequent to the award is maintained at the minimum bonus event value (e.g., $500). For example, after the minimum bonus event credit value of $500 (e.g., bonus event jackpot) is awarded to the player and/or transferred to win meter, as shown in, the bonus event credit value for bonus event jackpotis maintained the minimum bonus event credit value of $500. Also shown in, each of the credit values associated with COR symboland cumulative COR symbol, as displayed during the second instance of bonus gameis once again added to bonus event credit meter.

7 FIG.R 7 FIG.R 500 538 538 500 540 542 500 540 540 542 540 546 500 is an exemplary user interface or screen shot of an end or completion of bonus event. As shown, and subsequent to the second instance of bonus gameand ceasing to redisplay bonus gameafter the second instance, additional carriages are displayed and/or presented to the player during bonus event. As shown in, a second bonus featureB, configured or represented as a caboose or end car to trainA, is displayed and/or presented during bonus event. In the exemplary embodiment, no additional carriages for first bonus featureA and/or second bonus featureB may follow the caboose for trainA. As such, the credit value for the final second bonus featureB is added to bonus event credit meter, and bonus eventends.

8 FIG. 8 FIG. 400 500 422 500 422 436 538 546 500 400 402 410 424 412 is an exemplary user interface or screen shot of base reel gamefollowing the end of bonus event. As shown in, win meterhas compiled and/or accumulated all winnings or awards that were presented during bonus event. More specifically, win meterincludes the credit values associated with all bonus event jackpot(e.g., all rows and reels of bonus game), as well as the credit value included and/or added to bonus event credit meterduring bonus event. As discussed herein, reverting back to base reel gameresults in the plurality of reels-and bonus indicatorbeing displayed or presented on display.

9 9 FIGS.A-E 7 7 FIGS.A-R 9 FIG.A 9 FIG.A 7 7 FIGS.A-R 500 412 538 548 552 558 560 538 538 558 560 548 552 538 538 558 560 538 546 548 552 554 538 546 are exemplary embodiments of user interfaces or screen shots of a sequence of bonus eventdisplayed on displayfor the player. Distinct from the sequence discussed herein with respect to, the first instance of bonus gamedoes not result in each row of the plurality of bonus game reels-displaying or presenting COR symbolsor cumulative COR symbols. For example,shows bonus gameafter all bonus spins have been performed. More specifically,depicts bonus gamesafter all bonus spins have been performed and for three consecutive spins (e.g., the predetermined number of bonus spins), no new COR symbolsor cumulative COR symbolswere displayed on the plurality of bonus game reels-. As a result, the first instance of bonus gameends. As similarly described herein, the bonus game outcome for the first instance of bonus gameincludes the total of each of the credit values associated with COR symboland cumulative COR symbol, as displayed in bonus game. The bonus game outcome is added to bonus event credit meter. Additionally distinct from the sequence discussed herein with respect to, because at least one row of the plurality of bonus game reels-included or displayed blank symbolat the end of the first instance of bonus game, the bonus event credit value corresponding to bonus event credit meteris not awarded to the player.

500 538 500 538 540 540 500 540 412 546 500 538 500 538 548 552 554 538 500 558 560 558 560 538 538 436 538 500 9 FIG.B 9 FIG.B 9 FIG.A Bonus eventcontinues after ceasing the display of the first instance of bonus game. For example, and as shown in, additional carriages are displayed and/or presented to the player during bonus event. That is, subsequent to ceasing the display of bonus gamefirst bonus featureA and/or second bonus featureB continue to be displayed and/or presented during bonus event. As shown in, a plurality of second bonus featuresB including random credit values are presented on display, and the credit values are subsequently added to bonus event credit meter. In exemplary embodiments, bonus eventcan conclude and/or end after the first instance of displaying bonus game. That is, bonus eventcan include only a single instance of bonus game. Additionally, or alternatively, where at least one of the bonus game symbol positions of the plurality of bonus game reels-displays blank symbol(see,), bonus game, and in turn bonus event, can end without displaying COR symbolsand/or cumulative COR symbolsin each bonus game symbol position. In the example, credit values associated with COR symbolsand/or cumulative COR symbolsdisplayed during the first (and only) instance of bonus gameare awarded at the end of bonus game, but bonus event jackpotis not awarded during bonus gameand/or bonus event, as discussed herein.

9 9 FIGS.C-E 9 FIG.A 9 FIG.C 538 500 538 500 538 412 538 538 538 500 558 560 538 558 560 538 are exemplary user interfaces or screen shots of a second instance in which bonus gameis displayed or redisplayed within bonus event. In the exemplary embodiments, the second instance in which bonus gameis presented during bonus eventcan be the second bonus gamedisplayed on display, after the first instance of displaying bonus game(see,). When the bonus game carriage “opens,” as shown in, and subsequent to the first instance of bonus game, the displaying or redisplaying of bonus gamefor the second instance during bonus eventpersists in displaying the same COR symboland/or cumulative COR symbolprevious displayed during the first instance of bonus game. As such, the bonus symbols including the COR symboland/or cumulative COR symboldisplayed during the second instance are identical to the bonus symbols displayed at the end of the first instance of bonus game.

548 552 554 538 556 538 558 560 548 552 554 Additionally in the exemplary embodiment, and as a result at least one bonus game reel-displaying blank symbol, second instance of bonus gamemay continue with bonus spins. That is, and as displayed in spin number indicator, the second instance of bonus gameprovides the player an additional opportunity for bonus spins to display and/or present COR symbolsand/or cumulative COR symbolsin the positions of the bonus game reels-that display blank symbol.

9 FIG.D 9 FIG.E 548 552 554 558 560 548 552 558 560 436 436 422 436 436 436 422 436 As similarly discussed herein, and as shown in, the player may spin the plurality of bonus game reels,displaying blank symbolto display and/or present COR symbolsand/or cumulative COR symbols. In the exemplary embodiment, and in response to determining that every single row of each of the plurality of bonus game reels-includes and/or displays COR symbolsor cumulative COR symbols, the bonus event credit value associated with and/or displayed in bonus event jackpotis awarded to the player. For example, and with reference to, the bonus event credit value associated and/or displayed in bonus event jackpotis instantly provided to win meter. Additionally, and as a result of awarding the player bonus event jackpot, the bonus event credit value for bonus event jackpotsubsequent to the award is reset to a minimum bonus event value. For example, after the bonus event credit value of $948.73 (e.g., bonus event jackpot) is awarded to the player and/or transferred to win meter, the bonus event credit value for bonus event jackpotis reset to the minimum bonus event credit value of $500.

9 FIG.E 558 560 538 546 558 560 538 546 538 Additionally as shown in, each of the credit values associated with COR symboland cumulative COR symbol, as displayed during the first instance of bonus gameis added to bonus event credit meter. As discussed herein, the credit values displayed with each COR symboland/or cumulative COR symbolduring bonus gameare only added to bonus event credit meterwhen bonus gameis complete and/or ended.

10 10 FIGS.A-C 10 FIG.A 7 7 FIGS.A-R 500 412 542 500 542 542 538 500 542 430 412 542 500 542 542 542 412 500 538 540 are exemplary embodiments of user interfaces or screen shots of a sequence of bonus eventdisplayed on displayincluding a distinct trainB. That is, and as discussed herein, bonus eventcan include the displaying of more than one of the plurality of trainsA-E, and in turn, the subsequent displaying of bonus gamefor additional instances during bonus event. In the exemplary embodiment shown in, a front of distinct trainB, corresponding to jackpot bonusis depicted on display. The front of trainB (e.g., engine and coal car) provides a visual indication and/or representation that bonus eventcontinues including distinct trainB. Additionally in exemplary embodiments, and similar to trainA (see,), an animation of trainB moving across displayduring continued bonus eventto facilitate the displaying and/or presenting of bonus game(s)and/or bonus feature(s)to the player, as discussed herein.

10 FIG.B 542 412 540 540 500 540 542 540 540 542 500 540 546 As shown in, distinct trainB moves across display(e.g., left to right) to display and/or present various bonus feature(s)A,B included within bonus event. In the exemplary embodiment, second bonus featureB is displayed and/or included with distinct trainB. Second bonus featureB includes and/or displays a randomly generated and/or determined credit value. As shown, the credit value (e.g., “2000”) of second bonus featureB is displayed and/or animated as a carriage of trainB moves during bonus event. Additionally, as similarly discussed herein, the credit value corresponding to and/or displayed on second bonus featureB is awarded and/or added to bonus event credit meter.

10 FIG.C 10 FIG.C 7 FIG.O 10 FIG.C 538 542 500 538 542 500 538 542 538 542 500 548 552 554 500 542 542 538 542 558 560 538 542 538 542 500 558 560 538 542 is an exemplary user interface or screen shot of a bonus gameincluded in distinct trainB for bonus event. As shown in, bonus gameincluded and/or displayed on trainB is displayed in a third instance of bonus event, subsequent to the second instance of displaying bonus gameon trainA (see,). In the exemplary embodiment, displaying bonus gameon distinct trainB and/or during the third instance of bonus event, results in each row of each of the plurality of bonus game reels-displaying blank symbol. That is, where bonus eventincludes the displaying of a plurality of distinct trainsA,B, bonus gamefor the second or distinct trainB is reset. As such in the exemplary embodiment shown in, the COR symbolsand/or cumulative COR symbolspreviously displayed and/or persisted through bonus gameson trainA are not persisted and/or continuously displayed in bonus gamesdisplayed on distinct trainB. Rather, the player of bonus eventis provided new bonus spin opportunities to display (new) COR symbolsand/or cumulative COR symbolin bonus gameincluded on distinct trainB.

558 560 538 542 538 542 538 542 500 538 542 500 538 542 548 552 558 560 538 542 538 542 500 558 560 538 558 560 558 560 538 542 538 542 11 11 FIGS.A andB 11 11 FIGS.A andB 7 FIG.O 11 11 FIGS.A andB 7 FIG.O Alternatively, the COR symbolsand/or cumulative COR symbolspreviously displayed and/or persisted through bonus gameson trainA can persist and/or be continuously displayed in bonus gamesdisplayed on distinct trainB.are exemplary user interface or screen shot of a bonus gameincluded in distinct trainB for bonus event. As shown in, bonus gameincluded and/or displayed on trainB is displayed in a third instance of bonus event, subsequent to the second instance of displaying bonus gameon trainA (see,). In the exemplary embodiment, each row of the plurality of bonus game reels-displays and/or presents COR symbolor cumulative COR symbol. More specifically, and as shown in, and subsequent to the second instance of bonus gamebeing displayed on trainA, the displaying or redisplaying of bonus gameon distinct trainB for the third instance during bonus eventpersists in displaying the same COR symboland/or cumulative COR symbolprevious displayed during the second instance of bonus game. As such, the bonus symbols including the COR symboland/or cumulative COR symboldisplayed during the third instance are identical to the bonus symbols displayed during the second instance. Additionally, the bonus symbols including the COR symboland/or cumulative COR symboldisplayed in the bonus gameincluded in distinct trainB are identical to the bonus symbols displayed in the bonus gameincluded in trainA (see,).

11 FIG.B 11 FIG.B 11 FIG.B 548 552 558 560 538 538 412 436 436 422 436 436 558 560 538 542 546 As similarly discussed herein, and as shown in, as a result of each and every row of the plurality of bonus game reels-displaying one of COR symbolor cumulative COR symbol, third instance of bonus gameends or concludes. Similar to the first instance and/or second instance of bonus game, displayprovides and/or presents an animation indicating to the player that they have been awarded bonus event jackpotagain. The minimum bonus event credit value associated and/or displayed in bonus event jackpotis instantly provided to win meter, as shown in. Additionally, and as a result of awarding the player bonus event jackpot, the bonus event credit value for bonus event jackpotsubsequent to the award is maintained at the minimum bonus event value (e.g., $500). Also shown in, each of the credit values associated with COR symboland cumulative COR symbol, as displayed during the third instance of bonus gameon distinct trainB is once again added to bonus event credit meter.

A computer, controller, or server, such as those described herein, includes at least one processor or processing unit and a system memory. The computer, controller, or server typically has at least some form of computer readable non-transitory media. As used herein, the terms “processor” and “computer” and related terms, e.g., “processing device”, “computing device”, and “controller” are not limited to just those integrated circuits referred to in the art as a computer, but broadly refers to a microcontroller, a microcomputer, a programmable logic controller (PLC), an application specific integrated circuit, and other programmable circuits “configured to” carry out programmable instructions, and these terms are used interchangeably herein. In the implementations described herein, memory may include, but is not limited to, a computer-readable medium or computer storage media, volatile and nonvolatile media, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules, or other data. Such memory includes a random access memory (RAM), computer storage media, communication media, and a computer-readable non-volatile medium, such as flash memory. Alternatively, a floppy disk, a compact disc-read only memory (CD-ROM), a magneto-optical disk (MOD), and/or a digital versatile disc (DVD) may also be used. Also, in the implementations described herein, additional input channels may be, but are not limited to, computer peripherals associated with an operator interface such as a mouse and a keyboard. Alternatively, other computer peripherals may also be used that may include, for example, but not be limited to, a scanner. Furthermore, in the exemplary implementation, additional output channels may include, but not be limited to, an operator interface monitor.

As indicated above, the process may be embodied in computer software. The computer software could be supplied in a number of ways, for example on a tangible, non-transitory, computer readable storage medium, such as on any nonvolatile memory device (e.g. an EEPROM). Further, different parts of the computer software can be executed by different devices, such as, for example, in a client-server relationship. Persons skilled in the art will appreciate that computer software provides a series of instructions executable by the processor.

While the disclosure has been described with respect to the figures, it will be appreciated that many modifications and changes may be made by those skilled in the art without departing from the spirit of the disclosure. Any variation and derivation from the above description and figures are included in the scope of the present disclosure as defined by the claims.